Home / 7,388.57-11,082.95-4,122.42

Finding the Fourth Proportional to 7,388.57, 11,082.95 and 4,122.42

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Solution

The fourth proportional to 7,388.57, 11,082.95 and 4,122.42 is: 6,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.57 : 11,082.95 = 4,122.42 : x
  2. Step 2: Convert to fraction form
    7,388.57/11,082.95 = 4,122.42/x
  3. Step 3: Cross multiply
    7,388.57x = 11,082.95 × 4,122.42
  4. Step 4: Simplify right side
    7,388.57x = 45,688,554.13
  5. Step 5: Solve for x
    x = 45,688,554.13/7,388.57
  6. Step 6: Final answer
    x = 6,183.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.